Printable Expert Sudoku

Set 1goif99. 8 puzzles with an answer key, ready to print.

Expert puzzles are our hardest tier, with sparse grids usually in the mid-20s for givens. Expect to fill in every candidate and hunt for x-wings and swordfish. A printed copy and a sharp pencil is the classic way to tackle them.

Each free PDF has 8 puzzles, four to a page on US Letter paper, plus an answer key with every solution. Every puzzle has exactly one solution. A new set appears here every day, or you can grab a different set any time.

Puzzles in this set

Expert #1
8 9
2 5
1 6 8
4 7 2
1 2
9 5
6 2
9 8 1 3
3 7
Expert #2
9 4 2
8
5 7 1
4 6 8 7
3 7 6
2 8
4 3 2
3 6
7 5
Expert #3
6 5 1
8
7 1 2
8
5 3 4
5 8 2 9 6
9 3
7 4 5
4 2 9
Expert #4
4 6 1
1 7 5
3 8 1 7 5
2 3
7 8 6
1 4
2 5 6 8
9 1 2
8
Expert #5
7 4 3 8
3 5
9
7 1 2 5
8 3 7 6
5 4
8
1 3 2
4 6
Expert #6
7 3 1
8 2 6 9
1 7 4
7 6 1 9
3 9 2 6
2 5
8
1
6 2 4 7
Expert #7
4 1
9 1 8 7
2 8
5
7 5 3 6
3 8 6 7
3
6 1
5 8 2
Expert #8
8 5
9 2 7
3 1 4
9 2
5 4
7 2 5
7 9
1
8 6 5 4 7

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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